support sharePreparedStatements option

src/main/java/com/alibaba/druid/pool/DruidAbstractDataSourceMBean.java

@@ -44,7 +44,7 @@ public interface DruidAbstractDataSourceMBean {
     long getStartTransactionCount();
 
     int getQueryTimeout();
-    
+
     int getTransactionQueryTimeout();
 
     String getValidationQuery();
@@ -66,13 +66,13 @@ public interface DruidAbstractDataSourceMBean {
     List<String> getFilterClassNames();
 
     boolean isTestOnBorrow();
-    
+
     void setTestOnBorrow(boolean testOnBorrow);
 
     boolean isTestOnReturn();
-    
+
     boolean isTestWhileIdle();
-    
+
     void setTestWhileIdle(boolean testWhileIdle);
 
     boolean isDefaultAutoCommit();
@@ -85,6 +85,8 @@ public interface DruidAbstractDataSourceMBean {
 
     boolean isPoolPreparedStatements();
 
+    boolean isSharePreparedStatements();
+
     long getMaxWait();
 
     int getMinIdle();
@@ -102,7 +104,7 @@ public interface DruidAbstractDataSourceMBean {
     long getRemoveAbandonedCount();
 
     boolean isLogAbandoned();
-    
+
     void setLogAbandoned(boolean logAbandoned);
 
     long getDupCloseCount();